20484828

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^3\times {\mathrm{37}}^1$

素因数の和:93

約数の個数: 144

約数和(自身を含む): 65840320

約数和(自身を除く): 45355492

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 37, 39, 42, 52, 63, 74, 78, 84, 91, 111, 117, 126, 148, 156, 169, 182, 222, 234, 252, 259, 273, 333, 338, 364, 444, 468, 481, 507, 518, 546, 666, 676, 777, 819, 962, 1014, 1036, 1092, 1183, 1332, 1443, 1521, 1554, 1638, 1924, 2028, 2197, 2331, 2366, 2886, 3042, 3108, 3276, 3367, 3549, 4329, 4394, 4662, 4732, 5772, 6084, 6253, 6591, 6734, 7098, 8658, 8788, 9324, 10101, 10647, 12506, 13182, 13468, 14196, 15379, 17316, 18759, 19773, 20202, 21294, 25012, 26364, 30303, 30758, 37518, 39546, 40404, 42588, 43771, 46137, 56277, 60606, 61516, 75036, 79092, 81289, 87542, 92274, 112554, 121212, 131313, 138411, 162578, 175084, 184548, 225108, 243867, 262626, 276822, 325156, 393939, 487734, 525252, 553644, 569023, 731601, 787878, 975468, 1138046, 1463202, 1575756, 1707069, 2276092, 2926404, 3414138, 5121207, 6828276, 10242414, 20484828]

約数ペア:

[(1, 20484828), (2, 10242414), (3, 6828276), (4, 5121207), (6, 3414138), (7, 2926404), (9, 2276092), (12, 1707069), (13, 1575756), (14, 1463202), (18, 1138046), (21, 975468), (26, 787878), (28, 731601), (36, 569023), (37, 553644), (39, 525252), (42, 487734), (52, 393939), (63, 325156), (74, 276822), (78, 262626), (84, 243867), (91, 225108), (111, 184548), (117, 175084), (126, 162578), (148, 138411), (156, 131313), (169, 121212), (182, 112554), (222, 92274), (234, 87542), (252, 81289), (259, 79092), (273, 75036), (333, 61516), (338, 60606), (364, 56277), (444, 46137), (468, 43771), (481, 42588), (507, 40404), (518, 39546), (546, 37518), (666, 30758), (676, 30303), (777, 26364), (819, 25012), (962, 21294), (1014, 20202), (1036, 19773), (1092, 18759), (1183, 17316), (1332, 15379), (1443, 14196), (1521, 13468), (1554, 13182), (1638, 12506), (1924, 10647), (2028, 10101), (2197, 9324), (2331, 8788), (2366, 8658), (2886, 7098), (3042, 6734), (3108, 6591), (3276, 6253), (3367, 6084), (3549, 5772), (4329, 4732), (4394, 4662)]